Door hinges of casting 1) material :ss201 304 or 316 2) use on doors ... ) craft :lost wax and surface polish Description of door hinges of castingSpecification1, investment casting ,precision casting2, carbon steel / alloy steel /stainless steel3, SDM ... /OEM4, FIMA , AP,QP,QA,QC,AOL,RDThe ultimate success of casting design ...